- Thread starter RUSTNSUCH
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flying belgian
Well-known Member
Used to do it all the time in a fleet of trucks I had. Rigged up a pump with two oil filters on it to transfer it in to diesel tanks. Was told by Mack trucks you can go up to five percent and that is what I did. No problems at all.
Michael Soldan
Well-known Member
Lots of trucking companies add used oil to their diesel fuel, however...they have a filtering system that it goes through first. The oil must be filtered or it will cause problems with the fuel system,pump, injectors. The added oil gives the fuel more potential energy. For winter snow blowing I always add a quart of fresh oil to 5 gallons of diesel. I don't have anykind of system to clean and filter my used oil..if I remember correctly used oil can be added up to10% of your fuel volume. I have some truck magazines around here somewhere with the articl about filtering systems for used motor oil.
charles todd
Well-known Member
If not filtered, I forsee fuel system failure in your future. I have thought of this also. I think spin-on filter adapter, a sealed reservoir, and an air compressor with a regulator set at 5-10 psi would be a good start to filtering used oils.
Charles
Charles
buickanddeere
Well-known Member
Works better if the oil is a low ash product rated SF-2 for two stroke Detroit Diesels.
To the best of my knowledge, motor oil gets filtered every time you start your engine. The oil pan is a reservoir that contains.......filtered oil. All you are doing, is draining it out. Now, if you drain it into a filthy pan, I"d say you might want to filter it again. Otherwise, if it was fit to lubricate the internals of your engine, I would judge it filtered enough.
I know a man who ran dump trucks and Ford backhoes in his excavating business for many years and he dumped all of his waste (used motor) oil into his bulk tank and burned it. I never recall him having any fuel system problems.
I save my drained oil and run it through my new JD tractor and have since day one. It only has 230 hours thus far....but it hasn"t complained and neither did the JD I ran for 20 years prior to this one.
I know a man who ran dump trucks and Ford backhoes in his excavating business for many years and he dumped all of his waste (used motor) oil into his bulk tank and burned it. I never recall him having any fuel system problems.
I save my drained oil and run it through my new JD tractor and have since day one. It only has 230 hours thus far....but it hasn"t complained and neither did the JD I ran for 20 years prior to this one.
Brian Jasper co. Ia
Well-known Member
It works fine. You"re putting back in the fuel what has been removed to make "Clean diesel". If you put enough in, your engine will make more power due to more BTU"s in the fuel. DO NOT add oil to your late model diesel pickup or any other engine with an EGR valve, catalytic converter or particulate filter. They can not deal with the increased soot. The particulate filter (DPF) would likely plug before the first tank is used. Old and off road engines with no pollution controls run fine on it.
I dump about five gallon to every 100 gallon of fuel in my storage tank. I have a filter on my storage tank hand pump. I figure if it's good enough to filter my fuel, it's good enough to filter the oil in it too. Been doing this for 5+ years now and never had a problem. The only time I did have a problem was when I went and bought fuel by the 5 gallon can and put it straight in my tractors. Had to change my filters within two weeks on every one that I put fuel into that way. From now on it all goes in my storage tank and then pump it into my tractors.
Chris,
If I were to do that, I wold get a little oil pump and pump the oil through a bypass oil filter system such as Amsoil. it will cost about $200.00 up front, but the injector and injector pumps need a lot more filtering done than you can get with the normall oil filters.
Jim
If I were to do that, I wold get a little oil pump and pump the oil through a bypass oil filter system such as Amsoil. it will cost about $200.00 up front, but the injector and injector pumps need a lot more filtering done than you can get with the normall oil filters.
Jim
I dunno guys but I like to gravity filter used oil before using it.
TP rolls make about the finest cheap filters money can buy. Just set a collector tank w/lid higher, install a bottom drain valve, then add a gravity TP filter 1" off the bottom into a clean catch container then mix the clean oil at 5%/No2.
The 1" lets all the heavy particles and water pre-settle out and keeps the TP filter cleaner and last longer. When the container is done then empty out the garbage junk and toss it too the recycle center.
T_Bone
TP rolls make about the finest cheap filters money can buy. Just set a collector tank w/lid higher, install a bottom drain valve, then add a gravity TP filter 1" off the bottom into a clean catch container then mix the clean oil at 5%/No2.
The 1" lets all the heavy particles and water pre-settle out and keeps the TP filter cleaner and last longer. When the container is done then empty out the garbage junk and toss it too the recycle center.
T_Bone
Kansas Cockshutt
Member
Silly question;
Does any of the T.P. get caught up and dissolved- i.e In suspension? After seeing it "dissolved" in water I would worry about it washing downstream...
Now go easy on me , I know you are a Victor man and I am a Smith man, and let me tell ya" I am not trying to be a PITA. I have seen the "lubra-filters" on the OTR trucks that use a cartridge that looks just like t.p.; just something I have been wondering about... What are your thoughts of some of the tiny wood fibers getting sent downstream in the oil? Shouldn"t hurt anything, right? Or would, over time, enough of them form a "sludge" or "clot"?
Does any of the T.P. get caught up and dissolved- i.e In suspension? After seeing it "dissolved" in water I would worry about it washing downstream...
Now go easy on me , I know you are a Victor man and I am a Smith man, and let me tell ya" I am not trying to be a PITA. I have seen the "lubra-filters" on the OTR trucks that use a cartridge that looks just like t.p.; just something I have been wondering about... What are your thoughts of some of the tiny wood fibers getting sent downstream in the oil? Shouldn"t hurt anything, right? Or would, over time, enough of them form a "sludge" or "clot"?
Glen D Anderson
Member
FYI,
The levels of filtration differ drastically between engine oil and diesel fuel...........
An average engine oil filter will be rated at a 35 micron capacity and a diesel fuel filter will be rated at 10 microns or less.............What you don't filter out of the used oil prior to pouring into your fuel tank has to be caught by the fuel filter and if the fuel filter doesn't catch it, the fuel system components suffer accordingly..........
Also, considering some of the tolerances of the fuel system components are so minute, temperature increases will sometimes interfere with the assy. of the components, it would seem impossible that the used oil could be overfiltered??
The levels of filtration differ drastically between engine oil and diesel fuel...........
An average engine oil filter will be rated at a 35 micron capacity and a diesel fuel filter will be rated at 10 microns or less.............What you don't filter out of the used oil prior to pouring into your fuel tank has to be caught by the fuel filter and if the fuel filter doesn't catch it, the fuel system components suffer accordingly..........
Also, considering some of the tolerances of the fuel system components are so minute, temperature increases will sometimes interfere with the assy. of the components, it would seem impossible that the used oil could be overfiltered??
When I was working a the truck shop in the early 80's, we got a "fuel blender". it was a box on wheels that had a pump, 2 filters, and 3 hoses on it. It would suck directly from a fitting at the drain on the pan while at the same time suck clean fuel from the tank. Somewhere in the process, it would run the used oil thru the filters, and them pump the mixed fuel back into the tank. We looked at as 10 gallons of free fuel.
It worked fine on the Cummins, but Detroit told us not to use it on the 60 series engines.
Tim in OR
It worked fine on the Cummins, but Detroit told us not to use it on the 60 series engines.
Tim in OR
John M
Well-known Member
- Location
- Nunyafn business
What I find funny is I posted sometime back that my neighbor was mixing it in his big tank, like 10 gallons per 500, and I got blasted by "experts". Now "experts" say its ok!! Wonder what changed their minds?
Anonymous-0
Well-known Member
I routinely dump waste crankcase oil (straight out of the pan) in my non-electronic diesels, probably never gets to be more than 2 gls. WMO to 10 gls. of diesel ratio, with no adverse effects this far.
I have heard of people running a 50/50 mix or on a dual tank truck even higher with some sort of heater.
A cheap, effective, but slow filtering system can be made with an old pair of blue jeans with the legs tied up, pour the oil in the legs and let it run thru. It is said that is equal to a 1 micron filter. Guess that may depend on how worn out the jeans are????
I'm planning to build myself a filter system so I can use the waste oil that got poured in the storage tank at the shop.
I have heard of people running a 50/50 mix or on a dual tank truck even higher with some sort of heater.
A cheap, effective, but slow filtering system can be made with an old pair of blue jeans with the legs tied up, pour the oil in the legs and let it run thru. It is said that is equal to a 1 micron filter. Guess that may depend on how worn out the jeans are????
I'm planning to build myself a filter system so I can use the waste oil that got poured in the storage tank at the shop.
Hi KC,
There should be no sluff off of the TP fibers once the filter becomes saturated. If a person had that concern, a cotton ball in the discharge line should stop that concern.
Now if you were going to add pressure to the system then I would want to test the output oil for clarity for just that concern but the cotton still should resolve any issues.
Go Victor.... LMAO
T_Bone
There should be no sluff off of the TP fibers once the filter becomes saturated. If a person had that concern, a cotton ball in the discharge line should stop that concern.
Now if you were going to add pressure to the system then I would want to test the output oil for clarity for just that concern but the cotton still should resolve any issues.
Go Victor.... LMAO
T_Bone
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